package com.springcloud.yishop.controller;


import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.springcloud.yishop.service.DeptService;
import com.yishop.pojo.Dept;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import java.util.List;

//提供restful服务
@RestController
public class DeptController {
  @Autowired
  private  DeptService deptService;

 @GetMapping("/dept/get/{id}")
 @HystrixCommand(fallbackMethod = "hystrixGet" )
  public  Dept get(@PathVariable("id")Long id){
    Dept dept = deptService.queryById(id);
     if (dept==null){
        throw new RuntimeException("id=>"+id+"不存在该用户,或者信息无法找到");
     }

      return dept;
  }
  //备选方案
  public  Dept hystrixGet(@PathVariable("id")Long id){
   //.setDname("id=>"+id+"没有对应的信心,null");
   Dept dept = new Dept();
   dept.setDeptno(id);
   dept.setDname("id=>"+id+"没有对应的信心,null--Hystrix");
   dept.setDb_source("no this database in Mysql");
    return  dept;
  }
}
